ALT, AST is normal, total bilirubin 43μmol/L is the result of liver function test, belongs to the high situation, may be caused by diet, staying up all night and other physiological factors, patients are advised to improve diet, adjusting lifestyle habits. It may also be caused by hepatitis, fatty liver and other diseases, patients can take medication, surgical treatment. 1. Physiological factors: If the patient eats a lot of greasy food, such as fatty meat, lard, etc., before the liver function test, it will lead to the result of liver function showing normal ALT, AST and total bilirubin of 43 μmol/L, or it may be caused by the patient’s drinking alcohol before the test as well as staying up late at night. It is recommended that patients eat a light diet, ensure adequate rest, avoid drinking alcohol before the examination, and then review. 2. Hepatitis: Hepatitis can also lead to the patient’s liver function results of ALT, AST is normal, total bilirubin 43 μmol / L. The patient can follow the doctor’s instructions to take oral bisabolol tablets, glutathione tablets and other drugs to protect the liver. If the patient’s condition worsens, artificial liver supportive therapy, liver transplantation and other surgical treatments can be taken. 3. Fatty liver: patients with fatty liver will have normal ALT, AST and 43μmol/L total bilirubin during liver function tests. Patients can take oral fenofibrate capsules, benzafibrate tablets and other lipid-lowering drugs as prescribed by the doctor, and can also take valsartan capsules and other angiotensin II receptor antagonists orally. Patients can also take surgical treatment. When patients have normal ALT and AST and total bilirubin of 43μmol/L, it may be caused by physiological factors and no treatment is needed. If it is caused by disease, patients should consult a doctor in time and follow the doctor’s instructions. Drugs should be used under the guidance of a professional physician, and should not be used arbitrarily.